Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

Table of figures

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              aut lignei poroſitates exudare, & egredi poſſunt,
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              per quas aer tranſire nequit, ſic paritèr in burſa co­
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              riacea aqua per eius poroſitates, licèt motu tardo,
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              permeare poteſt, cùm aer ibidem contentus, licèt in­
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              genti vi comprimatur, egredi non poſſit; erunt igitur
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              particulæ aereæ grandiores, quàm aqueæ particulæ,
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              cùm per prædicta foraminula pertranſire nequeant,
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              licèt poſtea aeris partes, vtpote ipſa aqua rariores
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              contineant intra ſeipſas ingentia ſpatia vacua ſi
                <expan abbr="cõ-parentur">con­
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                parentur</expan>
              cum ſua mole denſa, & plena; vnde ſupra
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              coniecimus, particulas aeris eſſe veluti ſpiras, vel in­
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              uolucra ex ſubtiliſſimis laminis contortis, inuolutiſ­
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              que efformatas; è contra aquæ minimas particulas
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              habere figuram plenam, & ſolidam, vel
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              ,
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              vel alterius figuræ ad rotunditatem accedentis, quæ
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              tamen habent exiguam lanuginem eas ambientem, vt
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              hactenùs inſinuauimus.
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              Cap. 13. cau­
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              ſa rarefacti­
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              onis glaciei
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              affertur.</s>
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            <p type="margin">
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              Poſſibile eſt
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              minimas a­
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              quæ particu­
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              las intra va­
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              cuos tubu­
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              los aerem̨
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              componen­
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              tium inſinu­
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              ari poſſe.</s>
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              <s id="s.002970">Hinc deducitur non eſſe impoſſibile, nec à verita­
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              te omninò alienum, vt particulæ minimæ aquæ tam̨
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              minutæ ſint, vt poſſint intra vacuas capacitates aere­
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              arum particularum, ſcilicèt intra tubulos illos conti­
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              neri; & ideò ab aliqua vi poſſint ibidem inſinuari,
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              quare vt poſſibilis huiuſmodi hypotheſis admitti
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              poſſe videtur. </s>
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            <p type="main">
              <s id="s.002971">Ad hæc
                <expan abbr="ſupponendũ">ſupponendum</expan>
              quoque eſt aeris inuolucra,
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              vel ſpiras non componi ex laminulis graciliſſimis om­
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              ninò læuibus, explanatiſque, vt ſpeculum, ſed habere
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              villos aliquos non diſſimiles ijs, quos in extima ſuper­
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              ficie particularum aquæ reperiri diximus, huiuſmodi </s>
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